<template>
    <div class="chooser-component">
        <ul class="chooser-list">
          <li v-for="(item,index) in chooser" 
          @click="chosenSelection(index)" :title="item.label" :class="{active:index===nowIndex}" 
          >{{item.label}}</li>
        </ul>
    </div>
</template>

<script>
export default {
  props:{
      chooser:{
          type:Array,
          default:[
              {
                  label:"test",
                  value:0
              }
          ]
      }
  },
  data (){
      return {
          nowIndex:0
      }
  },
  methods:{
      chosenSelection (index) {
          this.nowIndex=index,
          this.$emit('on-change',this.chooser[index])
      }
      

  }
}
</script>

<style scoped>
.chooser-component {
  position: relative;
  display: inline-block;
}
.chooser-list li{
  display: inline-block;
  border: 1px solid #e3e3e3;
  height: 25px;
  line-height: 25px;
  padding: 0 8px;
  margin-right: 5px;
  border-radius: 3px;
  text-align: center;
  cursor: pointer;
}
.chooser-list li.active {
  border-color: #4fc08d;
  background: #4fc08d;
  color: #fff;
}
</style>